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https://issues.apache.org/jira/browse/SPARK-51419?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17934234#comment-17934234
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Max Gekk commented on SPARK-51419:
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> we will have syntax as exactly as " TIME'12:13:14' ?
[~senthh] Correct. The PR https://github.com/apache/spark/pull/50228 supported
such syntax
> And we need to modify hour function DateTimeUtils.getHour. is my
> understanding correct?
You need to modify the Hour expression, and call different functions from
DateTimeUtils for TIMESTAMP (for now it is getHours) and for TIME (new function
in DateTimeUtils).
> Get hour of time
> ----------------
>
> Key: SPARK-51419
> URL: https://issues.apache.org/jira/browse/SPARK-51419
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 4.1.0
> Reporter: Max Gekk
> Priority: Minor
> Labels: starter
>
> Modify the hour() function to return the hour component of a time.
> h4. Syntax
> {code:sql}
> hour(expr)
> {code}
> h4. Arguments
> expr: A TIME expression.
> h4. Returns
> An INTEGER.
> h4. Examples
> {code:sql}
> > SELECT hour(TIME'12:13:14');
> 12
> {code}
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